English gold watch with single button chronograph Circa 1901

Gold chronograph watch by Dent
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A fine 18 Carat gold keyless pocket watch with single button chronograph, London hallmarks for 1901.
Gilt 3/4 plate English lever movement, cut and compensated bi metallic balance, AD Fmsz. Gilt half plate movement with spring barrel, lateral lever escapement, cut bimetallic compensation balance with gold timing and temperature screws, blued steel Breguet balance spring, diamond endstone, index regulator, Nicole Nielsen chronograph work mounted on the backplate and activated by depressing the crown.
Case polished, thief proof swivel bow. Dedicated hinged gold cuvette.
White enamel dial with radial Roman numerals, outer minute track and concentric seconds track divided into fifths of a second, Arabic five minute / second numerals, subsidiary seconds. Blued steel spade hands. Dial, and movement signed. Casemaker’s mark RN.
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Diameter: 53 mm
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Signed: Dent, Watchmaker to The King, 61 Strand & 4 Royal Exchange, London
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Dent A celebrated watchmaking dynasty founded by Edward John Dent (1790-1853), known for high quality watches, clocks, chronometers and regulators. After starting life as a tallow chandler, Edward John Dent switched to watchmaking. From 1815 to 1829, he was employed by the Vulliamys and the Barrauds. In 1830 he entered into a partnership with J. R. Arnold. In 1840 he set up on his own account at 33 Cockspur Street, London. He was the builder of “Big Ben”, the famous Westminster clock. He made many fine chronometers and watches as well as others of a high commercial grade. The firm continued until relatively recently at 41 Pall Mall, London, as E. Dent & Co. Ltd.